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author | Jim Blandy <jimb@red-bean.com> | 1996-07-25 22:56:11 +0000 |
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committer | Jim Blandy <jimb@red-bean.com> | 1996-07-25 22:56:11 +0000 |
commit | 0f2d19dd46f83f41177f61d585732b32a866d613 (patch) | |
tree | 86bf67b8c05d36d8181d393e7d706785a74ee777 /libguile/variable.h | |
download | guile-0f2d19dd46f83f41177f61d585732b32a866d613.tar.gz |
maintainer changed: was lord, now jimb; first import
Diffstat (limited to 'libguile/variable.h')
-rw-r--r-- | libguile/variable.h | 87 |
1 files changed, 87 insertions, 0 deletions
diff --git a/libguile/variable.h b/libguile/variable.h new file mode 100644 index 000000000..b9d84fd8c --- /dev/null +++ b/libguile/variable.h @@ -0,0 +1,87 @@ +/* classes: h_files */ + +#ifndef VARIABLEH +#define VARIABLEH +/* Copyright (C) 1995,1996 Free Software Foundation, Inc. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2, or (at your option) + * any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this software; see the file COPYING. If not, write to + * the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. + * + * As a special exception, the Free Software Foundation gives permission + * for additional uses of the text contained in its release of GUILE. + * + * The exception is that, if you link the GUILE library with other files + * to produce an executable, this does not by itself cause the + * resulting executable to be covered by the GNU General Public License. + * Your use of that executable is in no way restricted on account of + * linking the GUILE library code into it. + * + * This exception does not however invalidate any other reasons why + * the executable file might be covered by the GNU General Public License. + * + * This exception applies only to the code released by the + * Free Software Foundation under the name GUILE. If you copy + * code from other Free Software Foundation releases into a copy of + * GUILE, as the General Public License permits, the exception does + * not apply to the code that you add in this way. To avoid misleading + * anyone as to the status of such modified files, you must delete + * this exception notice from them. + * + * If you write modifications of your own for GUILE, it is your choice + * whether to permit this exception to apply to your modifications. + * If you do not wish that, delete this exception notice. + */ + +#include "__scm.h" + + + + +/* Variables + */ +extern int scm_tc16_variable; + +#define SCM_VARVCELL(V) SCM_CDR(V) +#define SCM_VARIABLEP(X) (scm_tc16_variable == SCM_CAR(X)) +#define SCM_UDSCM_VARIABLEP(X) (SCM_VARIABLEP(X) && SCM_UNBNDP (SCM_CDR (SCM_VARVCELL (X)))) +#define SCM_DEFSCM_VARIABLEP(X) (SCM_VARIABLEP(X) && !SCM_UNBNDP (SCM_CDR (SCM_VARVCELL (X)))) + + +#ifdef __STDC__ +extern SCM scm_make_variable (SCM init, SCM name_hint); +extern SCM scm_make_udvariable (SCM name_hint); +extern SCM scm_variable_p (SCM obj); +extern SCM scm_variable_ref (SCM var); +extern SCM scm_variable_set_x (SCM var, SCM val); +extern SCM scm_builtin_variable (SCM name); +extern SCM scm_variable_bound_p (SCM var); +extern void scm_init_variable (void); + +#else /* STDC */ +extern SCM scm_make_variable (); +extern SCM scm_make_udvariable (); +extern SCM scm_variable_p (); +extern SCM scm_variable_ref (); +extern SCM scm_variable_set_x (); +extern SCM scm_builtin_variable (); +extern SCM scm_variable_bound_p (); +extern void scm_init_variable (); + +#endif /* STDC */ + + + + + +#endif /* VARIABLEH */ |